大约有 32,000 项符合查询结果(耗时:0.0467秒) [XML]
How to ignore the first line of data when processing CSV data?
...on to skip over the first row only when necessary:
import csv
with open('all16.csv', 'r', newline='') as file:
has_header = csv.Sniffer().has_header(file.read(1024))
file.seek(0) # Rewind.
reader = csv.reader(file)
if has_header:
next(reader) # Skip header row.
column...
How do I remove packages installed with Python's easy_install?
Python's easy_install makes installing new packages extremely convenient. However, as far as I can tell, it doesn't implement the other common features of a dependency manager - listing and removing installed packages.
...
C# how to create a Guid value?
...uid();
Hey, its a 'valid', although not very useful, Guid.
(the guid is all zeros, if you don't know. Sometimes this is needed to indicate no guid, in cases where you don't want to use a nullable Guid)
share
|
...
Redis strings vs Redis hashes to represent JSON: efficiency?
I want to store a JSON payload into redis. There's really 2 ways I can do this:
3 Answers
...
Are there any Java method ordering conventions? [closed]
...er them in a sensible way. Is there a standard way of doing this? E.g. normally fields are listed before methods, the constructor(s) are listed before other methods, and getters/setters last; what about the remaining methods?
...
Why are private fields private to the type, not the instance?
...this);
}
}
Can the compiler necessarily figure out that other is actually this? Not in all cases. One could argue that this just shouldn't compile then, but that means we have a code path where a private instance member of the correct instance isn't accessible, which I think is even worse.
On...
Undo git mv (rename)
...git mv file2 file1
Updates the index for both old and new paths automatically.
Check documentation of git mv
share
|
improve this answer
|
follow
|
...
What is the best scripting language to embed in a C# desktop application? [closed]
...
I've used CSScript with amazing results. It really cut down on having to do bindings and other low level stuff in my scriptable apps.
share
|
improve this answer
...
Shortest way to print current year in a website
...n the footer. I want to replace it with some JavaScript that will automatically update each year.
10 Answers
...
Prevent scroll-bar from adding-up to the Width of page on Chrome
I have a small issue trying to keep my .html pages at a consistent width on Chrome,
For example I have a page (1) with lots of contents that overflows the viewport's (right word?) height, so there's a vertical scroll-bar on that page (1). On page (2) i have the same layout (menus, divs,...etc) but l...
